<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>debug调试</title>
</head>
<body>
<script>
    /*debug调试 断点
    *
    *
    *
    *
    * */
    console.log("string");
    alert(d);//1111
    var a=10;
    var b="hello";
    c=true;
    function fun() {
        alert("hello");
    }
    fun();
    var d=35
</script>
</body>
</html>